Moving to pagemaker
I think your post is incomplete. Please define "modernise"? PageMaker is dead these ten years.
I understand it seems old and odd. But still we have those files and want to use them since the content is not old, but since the technique is changed we need to modernise it. In the helpfile it is told how to do it but in CC 2014 this is not possible.
I got a response now saying that it is necessary to install InDesign CS6.